Event Details

Property Based Testing

Finding More Bugs with Less Effort

SUMMARY

Testing is an essential part of writing and maintaining correct and reliable software. However, for the most part the best technique we have for writing tests is to capture some examples in the hope that they cover all the known edge cases. Unfortunately these examples are almost always missing something.

What if we could ask the computer to generate these examples? Not just a handful, but hundreds of them that we never even considered. It turns out we can! By using the technique known as Property Based Testing.

This talk will explore the motivation and concepts behind this powerful testing technique. We also introduce a number of simple but useful patterns that can be applied again and again when writing properties. In addition this talk will highlight a handful of compelling examples of Property Based Testing uncovering nasty bugs in real world software.

Finally, apart from learning about why and how to use Property Based Testing to write better software, the audience will also realise that testing can be made more enjoyable in the process.

ABOUT THE PRESENTER: CHARLES O'FARRELL

Charles is a Software Engineer at Ambiata. He cares about correct and reliable software, and is still learning about it every day. He believes that Property Based Testing is an essential tool for writing good software.

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